Comparison

STS TESSmobile vs Propeller Mobile

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

STS TESSmobile

Monitor and control traffic light systems remotely. View real-time traffic signal status and adjust configurations for efficient traffic management.

Highlights
  • View traffic light status
  • Manage traffic light configuration
  • Remote monitoring
  • Real-time data
Features
Read full description

View current traffic light status and manage configuration.

About

Propeller Mobile

This app provides field crews with a mobile 3D site inspection tool. It enables real-time navigation, site checks, and data capture to facilitate faster decision-making and keep projects on track.

Highlights
  • Live navigation
  • 3D site mapping
  • Media documentation
  • Grade checking
  • Cut-fill analysis
  • Surface area measurement
  • Stockpile volumes
Features
Read full description

Propeller Mobile is a 3D site inspection app built to keep field crews connected, aligned, and in control. With your job site in your pocket, Propeller Mobile supports real-time navigation, site checks, and reality capture, empowering faster decisions and keeping projects on track. Propeller Mobile also works alongside your AeroPoint hardware, keeping your ground control workflow connected. More than just a map, Propeller Mobile connects every person on-site to the data they need - enabling teams to move faster, collaborate smarter, and drive results. Why Propeller Mobile? • Stay aligned, wherever you are: Turn your mobile device into a powerful site inspection tool to help you map your next move • Eliminate bottle necks: Verify, document, and adjust plans directly from the field to prevent delays and unnecessary office trips • Keep your projects on track: From live navigation to high-accuracy measurements, you’ll translate field data and designs into decisions Key features: • Live navigation: Instantly see your real-time position relative to designs and site features • 3D site mapping: Explore a digital twin of your site in 3D or 2D for informed decision-making • Media documentation: Pin images and 360° photos to the map to document conditions and share with office teams • Alignments: Measure and track your live position along alignments and stations/chainages • Grade checking: Assess grades as degrees, percentages, or ratios • Cut-fill analysis: Compare surfaces to monitor volume changes and progress over time • Point of interest tagging: Drop points to check elevations or add notes for clarity • Surface area measurement: Quickly calculate areas within any shape • Stockpile volumes: Measure stockpile volumes and create reports in seconds • Cross-section analysis: Generate cross-section charts of designs and surveys • Distance measurement: Measure point-to-point distances with precision • Elevation tracking: Monitor elevation changes and height differences • AeroPoint management: Connect to AeroPoint 2 devices via Bluetooth to monitor battery, charging status, firmware, and data upload progress - and configure custom WiFi credentials for seamless field uploads

Screenshots

STS TESSmobile4 screens
Propeller Mobile4 screens

Verdict

The call

The clearest difference is rating: STS TESSmobile at 5.0 against Propeller Mobile's 4.2. Propeller Mobile's advantage is update cadence (every 2 weeks vs every 4 months) and ratings volume (10 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

STS TESSmobile holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Propeller Mobile has 10 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

STS TESSmobile ships an update every 4 months, Propeller Mobile every 2 weeks. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 7 level
STS TESSmobile versus Propeller Mobile: the parameters behind the verdict, then further details
ParameterSTS TESSmobilePropeller Mobile
PriceFreeFree
Rating5.0 (2 ratings) — better4.2 (10 ratings)
Positive reviews—40.0% of reviews
Number of ratings210 — better
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.1
Further details — not scored
Size14 MB215 MB
Age rating4+4+
DeveloperSuperior Traffic Services, LLCPropeller Aerobotics Pty Ltd

Customer experience

STS TESSmobile

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Propeller Mobile

All ratings10 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

In-app purchases

None

STS TESSmobile

No in-app purchases

None

Propeller Mobile

No in-app purchases

Questions

Is STS TESSmobile free?
STS TESSmobile is free to download, with no in-app purchases.
Is Propeller Mobile free?
Propeller Mobile is free to download, with no in-app purchases.
Which has better reviews, STS TESSmobile or Propeller Mobile?
STS TESSmobile is rated higher. STS TESSmobile averages 5.0 out of 5 from 2 ratings, while Propeller Mobile averages 4.2 from 10 ratings.
Do STS TESSmobile or Propeller Mobile have ads?
Neither STS TESSmobile nor Propeller Mobile shows ads.
Which is updated more often, STS TESSmobile or Propeller Mobile?
STS TESSmobile ships an update every 4 months, and Propeller Mobile every 2 weeks. Most recently, STS TESSmobile was updated on October 4, 2026 and Propeller Mobile on October 1, 2026.

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